<?php

namespace Home\Controller;

use Think\Controller;

class BaseController extends Controller
{

	public function message($msg, $redirect = '')
	{
		$this->assign("msg", $msg);
		$this->assign("redirect", $redirect);
		$this->display("Common/message");
	}

	public function checkLogin($redirect = true)
	{
		if (strtolower(C("DB_TYPE")) == 'mysql') {
			echo 'ShowDoc does not support mysql any more . https://www.showdoc.cc/help?page_id=31990 ';
			clear_runtime();
			exit();
		}
		if (!session("login_user")) {
			$cookie_token = cookie('cookie_token');
			if ($cookie_token) {
				$ret = D("UserToken")->getToken($cookie_token);
				if ($ret && $ret['token_expire'] > time()) {
					$login_user = D("User")->where(array('uid' => $ret['uid']))->find();
					unset($ret['password']);
					session("login_user", $login_user);
					return $login_user;
				}
			}
			if ($redirect) {
				$this->message("你尚未登录！", U('Home/User/login'));
				exit();
			}
		} else {
			return  session("login_user");
		}
	}

	/**
	 * 返回json数据
	 */
	public function sendResult($array)
	{
		if (isset($array['error_code'])) {
			$result['error_code'] = $array['error_code'];
			$result['error_message'] = $array['error_message'];
		} else {
			$result['error_code'] = 0;
			$result['data'] = $array;
		}
		echo json_encode($result);
	}

	//判断某用户是否有项目管理权限（项目成员member_group_id为1，以及 项目创建者）
	protected function checkItemPermn($uid, $item_id)
	{

		if (!$uid) {
			return false;
		}

		if (session("mamage_item_" . $item_id)) {
			return true;
		}

		$item = D("Item")->where("item_id = '%d' ", array($item_id))->find();
		if ($item['uid'] && $item['uid'] == $uid) {
			session("mamage_item_" . $item_id, 1);
			return true;
		}
		$ItemMember = D("ItemMember")->where("item_id = '%d' and uid = '%d' and member_group_id = 1 ", array($item_id, $uid))->find();
		if ($ItemMember) {
			session("mamage_item_" . $item_id, 1);
			return true;
		}
		return false;
	}

	//判断某用户是否为项目创建者
	protected function checkItemCreator($uid, $item_id)
	{
		if (!$uid) {
			return false;
		}
		if (session("creat_item_" . $item_id)) {
			return true;
		}

		$item = D("Item")->where("item_id = '%d' ", array($item_id))->find();
		if ($item['uid'] && $item['uid'] == $uid) {
			session("creat_item_" . $item_id, 1);
			return true;
		}
		return false;
	}

	//判断某用户是否有项目访问权限（公开项目的话所有人可访问，私有项目则项目成员、项目创建者和访问密码输入者可访问）
	protected function checkItemVisit($uid, $item_id, $refer_url = '')
	{
		if (session("visit_item_" . $item_id)) {
			return true;
		}

		if ($this->checkItemCreator($uid, $item_id)) {
			session("visit_item_" . $item_id, 1);
			return true;
		}

		$ItemMember = D("ItemMember")->where("item_id = '%d' and uid = '%d'  ", array($item_id, $uid))->find();
		if ($ItemMember) {
			session("visit_item_" . $item_id, 1);
			return true;
		}

		$item = D("Item")->where("item_id = '%d' ", array($item_id))->find();
		if ($item['password']) {
			//跳转到输入访问密码框
			header("location:" . U("Home/item/pwd", array("item_id" => $item_id, "refer_url" => base64_encode($refer_url))));
		} else {
			session("visit_item_" . $item_id, 1);
			return true;
		}
	}
}
